Ultimate Diesel Builder's Guide - - Udbg Tech | Fueling Around At Work -

Af­ter Grubb com­pleted the in­stal­la­tion, the truck was strapped down to the BDP Dyno­com chas­sis dyno to see how the up­grades mea­sured up. Chase Lunsford ran the truck through its paces on the dyno, check­ing each tune level on the CSP-5 switch. He found that the fuel sys­tem up­grades pro­vided a more solid plat­form for mak­ing good, reli­able power, as Dorn’s work truck showed in­creased horse­power and torque across the board.

In the lower tunes Dorn uses on a daily ba­sis, the truck made 30 to 40 more horse­power than it did on the old pumps, while the more ag­gres­sive up­per tunes saw around 10 more horse­power. On the torque side of the dyno graph, the truck made 35 to 70 more lb-ft of torque on the lower tunes with up to 50 more on the up­per tunes. We recorded peaks of 478.7 hp and 902.7 lb-ft of torque—not bad for a work truck with over 200,000 miles on the clock. UDBG

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